
<!DOCTYPE HTML>
<html >
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="renderer" content="webkit">

    <title>iframe</title>
    <meta name="description" content="" /> 
    <meta name="keywords" content="" />
<style>
html,
body,
div,
iframe {
	margin: 0;
	padding: 0;
	border: 0;
	outline: 0;
	font-size: 100%;
	vertical-align: baseline;
	background: transparent;
}

body {
	line-height: 1;
}

:focus {
	outline: 0;
}



#iframe {
	margin-top: 0;
}

#iframe-wrap {
	height: 100%;
	overflow: visible;
	position: relative;
	
	z-index: 50;
}	
</style>    
    <link href="demo.css" rel="stylesheet" media="all" />
    <script src="assets/js/jquery.min.js"></script>
    <script type="text/javascript">
        var theme_list_open = false;
        $(document).ready(function () {
            function fixHeight() {
                var headerHeight = $("#switcher").height();
                $("#iframe").attr("height", $(window).height()-24+ "px");
            }
            $(window).resize(function () {
                fixHeight();
            }).resize();

        });
        
        
    </script>

</head>
<body id="by" style="overflow-y: hidden" >
    <div id="iframe-wrap">
        <iframe id="iframe" src="https://daohang.qq.com" frameborder="0"  width="100%">
        </iframe>
    </div>
</body>
</html>
